Volume 1 is referred to as "Erster Teil" and published in 1917. Volume 2 is referred to as "Zweiter Band" with the title "Das Wesen des Hellenismus" and was published in 1926
There is mention of a third volume in preparation in the back of Bd.2, though it is uncertain whether it was ever published
First edition has title: Geschichte des hellenistischen Zeitalters